/* tongzhi导航栏部分 */
.tongzhi {
  height: 50px;
  background-color: #f5f5f5;
  line-height: 50px;
  user-select: none;
}
.tongzhi > div {
  display: flex;
  /* 两端对齐 */
  justify-content: space-between;
}
/* 导航里面右侧列表 */
.tongzhi ul li {
  font-size: 16px;
  float: left;
  margin-left: 30px;
  color: #a0a0a0;
}
.tongzhi > .b-center span:last-child {
  color: red;
}
